Patents for F24H 9 - Details (27,146)
10/1997
10/16/1997DE19613989A1 Elektrisches Heizgerät An electric heater
10/15/1997EP0697084B1 Electric storage heater
10/15/1997CN2264880Y Backward regulating valve for gas water heater
10/15/1997CN2264879Y Duct thermostat for water heater
10/15/1997CN2264878Y Combustion system for boiler
10/15/1997CN2264877Y Electromagnetic valve of gas water heater and front-mounted controller thereof
10/14/1997CA2126799C Heat-insulating structure for combustion equipment
10/11/1997CA2173808A1 Heated makeup air system for a commercial kitchen
10/09/1997DE19636143C1 Injection-moulded plastics inner vessel for water-heater
10/09/1997DE19613579A1 Electrical water heater with continuous flow
10/08/1997EP0799940A1 Electrical freeze protection device
10/08/1997EP0799592A1 Continuous flow heater for a water cooking appliance
10/07/1997CA2099227C Standing pilot furnace with vented vestibule
10/01/1997CN2263772Y Wiring mechanism for magnetic valve of gas water heater
10/01/1997CN2263771Y Electric water heater capable of displaying water level when interruption of power supply
10/01/1997CN2263762Y Close warner for gas leakage
09/1997
09/30/1997US5671771 Hot water system
09/25/1997DE19611402A1 Dishwasher etc.
09/24/1997EP0797058A1 Heat exchanging plate
09/24/1997EP0797057A2 A valve assembly with integral pump for a plant providing both heating and sanitary hot water
09/24/1997EP0797055A1 Method of manufacturing a water heater and corresponding water heater
09/24/1997EP0796412A1 Gas burner for heaters,especially water heaters
09/24/1997CN2263319Y Water temp. remote-controller of gas water heater
09/24/1997CN2263318Y High-power PTC heater for electric tea boiler
09/24/1997CN1160162A 燃烧装置 Combustion device
09/24/1997CN1160161A Storage tank water heater tempering system
09/23/1997US5671113 Protection circuit for use with a heated water device
09/17/1997EP0795109A1 Water heater
09/17/1997EP0737295B1 Device for connecting radiators
09/17/1997CN2262692Y Weighing electric heater
09/17/1997CN2262691Y Electric water heater with water temp regulator
09/17/1997CN2262690Y Safety smoke exhaust hood for gas shower apparatus
09/17/1997CN1159552A Double-valve type steam generator for gas water-heater
09/16/1997US5666889 Apparatus and method for furnace combustion control
09/10/1997EP0794394A2 Connector assembley for radiators
09/10/1997EP0794393A1 Cast, light-metal, polygonal heat exchanger having a spiral-shaped water duct
09/10/1997EP0794392A1 Cast, light-metal, substantially cylindrical heat exchanger
09/10/1997CN2262221Y Controller for water valve automatic control exhaust fan of water heater
09/10/1997CN2262220Y Gas burning water heater capable of remote controlling water temperature
09/10/1997CN2262219Y Leak-proof multipurpose oil combustion gas burning pressure-free boiler
09/10/1997CN1158969A Internal-combustion gas-burning heating boiler
09/10/1997CN1158955A Combustion installation
09/04/1997DE19607694A1 Connecting block for forward and back flow
09/03/1997EP0793064A2 Heater and method for controlling a heater
08/1997
08/27/1997EP0791792A1 Wall-mounted boiler
08/27/1997EP0791773A1 Pipe connection of two metallic pipe ends
08/27/1997CN2260992Y Self-control phasing-to-zero direct heating type water heater
08/21/1997CA2245930A1 Heating system disabler
08/20/1997CN2260281Y Device for indicating quantity of electricity in cells for gas combustion water heater
08/20/1997CN2260280Y Air ventilating hood for gas combustion water heater
08/20/1997CN2260279Y High efficiency energy saving domestic hot water boiler
08/20/1997CN1157398A Safety monitoring method and device for gas water heater
08/20/1997CN1157397A Flameless burner for water-flowing gas water heater
08/19/1997US5659657 Pivotally mounted radiant heating apparatus with adjustable heaters
08/19/1997CA2113132C Electric water heater with improved insulation structure
08/13/1997EP0789203A1 Gas condensing bioler
08/12/1997US5655299 Method of fabricating a tank and method of fabricating a tank connector therefor
08/07/1997DE19603398A1 Plug-in pipe fitting with sealing O=rings
08/06/1997EP0787956A2 Radiator, especially of the towel dryer type, for central heating installations
08/06/1997EP0787418A1 Cartridge heater system
07/1997
07/31/1997DE19602364A1 Regulable shut=off valve for building heating and cooling system
07/31/1997DE19548619A1 Connection fitting for heater, especially panel radiator
07/30/1997EP0712565A4 Control unit for controlling the temperature of a domestic water supply
07/30/1997CN2258600Y Water-gas interstage valve for gas water-heater
07/23/1997CN1155060A Temp.-controlled split electric-heating shower device
07/23/1997CN1155059A Energy-saving dust-free boiler-mounting method
07/23/1997CN1155058A Electric-heating water-boiling device with safety device
07/22/1997US5649529 Low NOx combustion system for fuel-fired heating appliances
07/17/1997WO1997025572A1 Instantaneous fluid heating device and process
07/17/1997DE19601012A1 Method to raise exhaust temperature on gas or oil fired water heater
07/16/1997EP0784192A1 Heating appliance
07/16/1997CN2257910Y Mouth organ type fire grate of gas hot water heater
07/16/1997CN2257909Y Sectional household gas fast hot water heater
07/09/1997CN2257597Y Remote temp. regulating stand for gas water heater
07/09/1997CN2257596Y Built-in forced air exhaust device for water heater
07/09/1997CN2257595Y Forced air exhaust device for water heater
07/09/1997CA2160593A1 Tank leak-flood protection
07/08/1997US5645103 Water heater stand with overflow catch basin
07/03/1997WO1997024014A1 Flow-through tankless water heater with flow switch and heater control system
07/02/1997EP0781968A1 Procedure for distributing sanitary hot water from a gas fired boiler, using a storage vessel and plant for carrying out the process
07/02/1997EP0781965A1 Domestic hot water producing system with a gas heater and method for controlling the temperature of the domestic hot water in such a system
06/1997
06/26/1997DE19547705A1 Electric water heater
06/25/1997EP0780632A2 Gas power burner and method for preventing the formation of condensation drops
06/25/1997CN2256996Y Exhaust hood for gas water-heater
06/19/1997DE19623819A1 Device for preventing breakage of water pipes in boiler through freezing
06/19/1997DE19623807A1 Water tube plate for boiler
06/19/1997DE19547054A1 Layer-buffer hot water accumulator with short-circuit chambers
06/18/1997CN2256517Y Full automatic electric heating shower device
06/18/1997CN1151970A Control structure of water purifier
06/12/1997DE19545719A1 Inlet controlled water heater regulating method
06/10/1997US5636598 Induced draft combustion water heater
06/08/1997CA2192266A1 Baseboard heater and method of manufacturing the same
06/05/1997WO1997014003A3 Fluid heater with improved heating elements controller
06/05/1997DE19648977A1 Storage heater operating method with controllable input means
06/04/1997EP0777093A1 Method for the manufacture of fittings for radiators
06/04/1997CN2255591Y Over-heat safety protector for gas water heater
06/04/1997CN2255590Y Differential-disk valve device for gas water heater
06/04/1997CN2255589Y Device for preventing non-full-combustion of gas water heater
06/04/1997CN2255588Y Gas water-heater housing with air-guiding hole and air-permeating hole
06/04/1997CN1151205A An adaptator for a water heater thermostat